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Basic information about C40 file

When there is a problem with opening files with the file extension C40（*.C40 or *.c40）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the C40 file yourself.

There are 1 file types using the C40 file extension in our database. In the further part of this page, you will find detail information about all the C40 file with their brief description and a list of programs that support C40 file sorted by operating systems. The table below provides useful information about the C40 file extension. It answers questions such as:
  • What is the C40 file?
  • How to open a C40 file?
  • What programs do I need to open a C40 file?
  • What programs help to create and edit a C40 file?
  • How to convert C40 files to another file format?
  • How to convert another files to C40 file format?


1.Detail information about C40 file extension: Split Multi-volume ACE Compressed File Archive

File type Split Multi-volume ACE Compressed File Archive Category Backup Files
Developer e-merge GmbH File format N/A
Description C40 file is a Split Multi-volume ACE Compressed File Archive developed by e-merge GmbH. Full format name of files that use C40 extension is Split Multi-volume ACE Compressed Format Archive. Split Multi-volume ACE Compressed Format Archive specification was created by e-merge GmbH. C40 file format is compatible with software that can be installed on Windows system platform. C40 file format, along with 619 other file formats, belongs to the Archive Files category. The most popular software that supports C40 files is WinACE Archiver. On the official website of e-merge GmbH developer not only will you find detailed information about theWinACE Archiver software, but also about C40 and other supported file formats.
Software programs that will open, edit or convert C40 files

Windows		 WinACE Archiver



Can't open a C40 file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.C40”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the C40 extension without any issue.


Where I can download the application that support C40 file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of C40 files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a C40 file?

The reasons for the lack of the ability to open a C40 file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a C40 file. If there is still something wrong, you might want to check:

  • Whether the C40 file is damaged.
  • Whether the C40 file is incorrectly linked in the registry entries.
  • Whether the C40 file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the C40 file format is incompletely.
  • Whether the C40 file is infected.
  • Whether the drivers of the equipment used for opening a C40 file are up to date.
  • Whether your computer has enough hardware resources to open a C40 file.

If the C40 file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.